Sensing water vapour

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United States of America Patent

PATENT NO 9618469
SERIAL NO

14240362

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A water vapor sensor comprises a substrate and a film of carbon nanotubes impregnated with surfactant on the substrate. The substrate is of material which is inert relative to the film. Two or more electrical conductors are in contact with in spaced apart zones of the film, whereby the impedance of the film may be measured. The sensor is housed in housing which protects the sensor but also allows exposure of the film to water vapor.

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Patent Owner(s)

  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coull, Richard Dundalk, IE 11 98
Scardaci, Vittorio Dublin, IE 6 13
Scott, Graeme Maynooth County, IE 20 92

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